EP0798870A3 - Récepteur pour spectre dispersé - Google Patents
Récepteur pour spectre dispersé Download PDFInfo
- Publication number
- EP0798870A3 EP0798870A3 EP19970105113 EP97105113A EP0798870A3 EP 0798870 A3 EP0798870 A3 EP 0798870A3 EP 19970105113 EP19970105113 EP 19970105113 EP 97105113 A EP97105113 A EP 97105113A EP 0798870 A3 EP0798870 A3 EP 0798870A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- delayed waveform
- phase
- spectrum spread
- receiving apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7642896 | 1996-03-29 | ||
JP7642896A JP3310160B2 (ja) | 1996-03-29 | 1996-03-29 | スペクトラム拡散方式受信装置 |
JP76428/96 | 1996-03-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0798870A2 EP0798870A2 (fr) | 1997-10-01 |
EP0798870A3 true EP0798870A3 (fr) | 1999-10-20 |
EP0798870B1 EP0798870B1 (fr) | 2003-12-17 |
Family
ID=13604907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970105113 Expired - Lifetime EP0798870B1 (fr) | 1996-03-29 | 1997-03-26 | Récepteur pour spectre dispersé |
Country Status (6)
Country | Link |
---|---|
US (1) | US5822364A (fr) |
EP (1) | EP0798870B1 (fr) |
JP (1) | JP3310160B2 (fr) |
KR (1) | KR100370590B1 (fr) |
CN (1) | CN1115029C (fr) |
DE (1) | DE69726786T2 (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09261128A (ja) * | 1996-03-22 | 1997-10-03 | Matsushita Electric Ind Co Ltd | スペクトル拡散通信機 |
JP3377389B2 (ja) * | 1997-01-10 | 2003-02-17 | 株式会社鷹山 | スペクトラム拡散無線通信方式における信号受信方法および装置 |
JP3029031B2 (ja) * | 1998-09-03 | 2000-04-04 | 日本電気株式会社 | 内挿同期検波方法と無線通信システム |
FI982856A (fi) * | 1998-12-31 | 2000-07-01 | Nokia Networks Oy | Vastaanottomenetelmä ja vastaanotin |
JP2000252960A (ja) * | 1999-03-01 | 2000-09-14 | Toshiba Corp | Rake受信装置 |
JP2000307469A (ja) * | 1999-04-16 | 2000-11-02 | Matsushita Electric Ind Co Ltd | スペクトル拡散型受信装置及び方法 |
DE69933371T2 (de) | 1999-06-24 | 2007-01-11 | Alcatel | Empfänger und Verfahren mit verbesserter Leistung für CDMA Übertragung |
JP3322246B2 (ja) * | 1999-07-21 | 2002-09-09 | 日本電気株式会社 | パスサーチ装置および方法 |
JP3884896B2 (ja) | 2000-04-06 | 2007-02-21 | 株式会社エヌ・ティ・ティ・ドコモ | 通信品質取得装置および通信品質取得方法 |
EP1154584A1 (fr) * | 2000-05-12 | 2001-11-14 | Siemens Aktiengesellschaft | Station mobile et procédé d'attribution de derivations rake et de dispositifs de poursuite |
AU2001283124A1 (en) * | 2000-07-31 | 2002-02-13 | Morphics Technology, Inc. | Generic finger architecture for spread spectrum applications |
JP2002076992A (ja) * | 2000-09-05 | 2002-03-15 | Nec Corp | 周波数調整回路 |
US7586837B2 (en) * | 2001-12-14 | 2009-09-08 | Qualcomm Incorporated | Acquisition of a gated pilot signal |
JP2003198427A (ja) * | 2001-12-28 | 2003-07-11 | Fujitsu Ltd | Cdma受信装置 |
EP1605619A4 (fr) * | 2003-02-28 | 2012-01-11 | Ntt Docomo Inc | Systeme et procede de radiocommunication |
JP4459584B2 (ja) * | 2003-09-26 | 2010-04-28 | 富士通テン株式会社 | レーダ装置および距離算出方法 |
TWI324469B (en) * | 2006-01-13 | 2010-05-01 | Via Tech Inc | Method and apparatus for delaying sampled signal |
US8876513B2 (en) * | 2008-04-25 | 2014-11-04 | 3D Systems, Inc. | Selective deposition modeling using CW UV LED curing |
JP6906966B2 (ja) * | 2017-01-27 | 2021-07-21 | ラピスセミコンダクタ株式会社 | 信号検出回路及び信号検出方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0520969A2 (fr) * | 1991-06-27 | 1992-12-30 | Hughes Aircraft Company | Estimation de séquence à maximum de vraisemblance pour récepteur radio mobile, cellulaire numérique |
WO1995035615A1 (fr) * | 1994-06-22 | 1995-12-28 | Ntt Mobile Communications Network Inc. | Detecteur synchrone et procede de synchronisation pour un recepteur numerique de telecommunications |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5105437A (en) * | 1990-07-26 | 1992-04-14 | Unisys Corporation | Programmable digital acquisition and tracking controller |
US5150384A (en) * | 1990-09-28 | 1992-09-22 | Motorola, Inc. | Carrier recovery method and apparatus having an adjustable response time determined by carrier signal parameters |
US5283780A (en) * | 1990-10-18 | 1994-02-01 | Stanford Telecommunications, Inc. | Digital audio broadcasting system |
US5425058A (en) * | 1993-07-28 | 1995-06-13 | Martin Marietta Corporation | MSK phase acquisition and tracking method |
FR2709028B1 (fr) * | 1993-08-13 | 1995-10-20 | Matra Communication | Procédé de sélection des trajets de propagation retenus pour recevoir des messages transmis par radiocommunication AMRC. |
US5361276A (en) * | 1993-09-13 | 1994-11-01 | At&T Bell Laboratories | All digital maximum likelihood based spread spectrum receiver |
US5619524A (en) * | 1994-10-04 | 1997-04-08 | Motorola, Inc. | Method and apparatus for coherent communication reception in a spread-spectrum communication system |
US5659573A (en) * | 1994-10-04 | 1997-08-19 | Motorola, Inc. | Method and apparatus for coherent reception in a spread-spectrum receiver |
US5691974A (en) * | 1995-01-04 | 1997-11-25 | Qualcomm Incorporated | Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy |
US5692006A (en) * | 1995-07-31 | 1997-11-25 | Qualcomm Incorporated | Adaptive despreader |
US5737327A (en) * | 1996-03-29 | 1998-04-07 | Motorola, Inc. | Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system |
US5742637A (en) * | 1996-08-20 | 1998-04-21 | Golden Bridge Technology, Inc. | Fast phase estimation in digital communication systems |
-
1996
- 1996-03-29 JP JP7642896A patent/JP3310160B2/ja not_active Expired - Lifetime
-
1997
- 1997-03-26 US US08/824,833 patent/US5822364A/en not_active Expired - Lifetime
- 1997-03-26 EP EP19970105113 patent/EP0798870B1/fr not_active Expired - Lifetime
- 1997-03-26 DE DE1997626786 patent/DE69726786T2/de not_active Expired - Lifetime
- 1997-03-28 KR KR1019970011224A patent/KR100370590B1/ko not_active IP Right Cessation
- 1997-03-29 CN CN97109692A patent/CN1115029C/zh not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0520969A2 (fr) * | 1991-06-27 | 1992-12-30 | Hughes Aircraft Company | Estimation de séquence à maximum de vraisemblance pour récepteur radio mobile, cellulaire numérique |
WO1995035615A1 (fr) * | 1994-06-22 | 1995-12-28 | Ntt Mobile Communications Network Inc. | Detecteur synchrone et procede de synchronisation pour un recepteur numerique de telecommunications |
EP0715440A1 (fr) * | 1994-06-22 | 1996-06-05 | Ntt Mobile Communications Network Inc. | Detecteur synchrone et procede de synchronisation pour un recepteur numerique de telecommunications |
Non-Patent Citations (1)
Title |
---|
SADAYUKI ABETA ET AL: "DS/SDMA COHERENT DETECTION SYSTEM WITH A SUPPRESSED PILOT CHANNEL", PROCEEDINGS OF THE GLOBAL TELECOMMUNICATIONS CONFERENCE (GLOBECOM), SAN FRANCISCO, NOV. 28 - DEC. 2, 1994, vol. 3, 28 November 1994 (1994-11-28), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 1622 - 1626, XP000488802, ISBN: 0-7803-1821-8 * |
Also Published As
Publication number | Publication date |
---|---|
EP0798870A2 (fr) | 1997-10-01 |
DE69726786D1 (de) | 2004-01-29 |
CN1164784A (zh) | 1997-11-12 |
KR970068221A (ko) | 1997-10-13 |
JPH09270734A (ja) | 1997-10-14 |
US5822364A (en) | 1998-10-13 |
JP3310160B2 (ja) | 2002-07-29 |
CN1115029C (zh) | 2003-07-16 |
KR100370590B1 (ko) | 2003-04-11 |
EP0798870B1 (fr) | 2003-12-17 |
DE69726786T2 (de) | 2004-10-07 |
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